Dual 4-Bit Binary Counter, 20-Pin, 5V, MIL-TEMP
20-Pin Quad Counter IC, 4-Bit Binary, 5V, 55mA, S-CQCC-N20 Package
Octal Buffers/Drivers With 3-State Outputs 20-LCCC -55 to 125
4-Bit Binary Counter, 5V, 55mA, 20-Pin S-CQCC-N20, -55 to 125°C, MIL-PRF-38535